Fixes for __cxa_finalize
* Ability to register atexit handler from atexit handler
* Correct way to handle both forms of atexit handler
Bug: https://code.google.com/p/android/issues/detail?id=66595
Bug: 4998315
Change-Id: I39529afaef97b6e1469c21389d54c0d7d175da28
diff --git a/tests/atexit_testlib.cpp b/tests/atexit_testlib.cpp
new file mode 100644
index 0000000..36393e7
--- /dev/null
+++ b/tests/atexit_testlib.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <string>
+
+// use external control number from main test
+static std::string* atexit_sequence = NULL;
+static bool* atexit_valid_this_in_static_dtor = NULL;
+
+class AtExitStaticClass;
+
+static const AtExitStaticClass* valid_this = NULL;
+
+static class AtExitStaticClass {
+public:
+ AtExitStaticClass() { valid_this = this; }
+ ~AtExitStaticClass() {
+ if (atexit_valid_this_in_static_dtor) {
+ *atexit_valid_this_in_static_dtor = (valid_this == this);
+ }
+ }
+} staticObj;
+
+// 4
+static void atexit_handler_from_atexit_from_atexit2() {
+ *atexit_sequence += " on";
+}
+
+// 3
+static void atexit_handler_from_atexit_from_atexit1() {
+ *atexit_sequence += " sat";
+}
+
+// 2
+static void atexit_handler_from_atexit() {
+ *atexit_sequence += " Dumpty";
+ // register 2 others
+ atexit(atexit_handler_from_atexit_from_atexit2);
+ atexit(atexit_handler_from_atexit_from_atexit1);
+}
+
+// 1
+static void atexit_handler_with_atexit() {
+ *atexit_sequence += "Humpty";
+ atexit(atexit_handler_from_atexit);
+}
+
+// last
+static void atexit_handler_regular() {
+ *atexit_sequence += " a wall";
+}
+
+extern "C" void register_atexit(std::string* sequence, bool* valid_this_in_static_dtor) {
+ atexit_sequence = sequence;
+ atexit_valid_this_in_static_dtor = valid_this_in_static_dtor;
+ atexit(atexit_handler_regular);
+ atexit(atexit_handler_with_atexit);
+ atexit(NULL);
+}
+